Add Yahoo as a preferred source to see more of our stories on Google. The Galactic Center Excess, shines in high-energy gamma rays that can’t be explained by ordinary astrophysical processes. Its ...

“As a result, for the past four decades, most researchers have believed that dark matter must be cold when it is born in the ...

A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary matter. These characteristics make it impossible to detect using ...

Add Yahoo as a preferred source to see more of our stories on Google. Spiral galaxies, like Messier 77 shown here, helped astronomers learn about the existence of dark matter. NASA, ESA & A. van der ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

NASA's Hubble Space Telescope captures the magnificent starry population of the Coma Cluster of galaxies, one of the densest known galaxy collections in the universe — and where the effect of dark ...

Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...

Researchers suggest that dark matter might subtly color light red or blue as it passes through, revealing traces of its existence. Using a network-like model of particle connections, they argue that ...

"If such a fifth force exists, it cannot exceed 7% of the strength of gravity." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have ...